#

luxiaotao1123

2024-12-30 3209b7899f99fbc567c24be9709ba289f33ea73b

 zy-acs-manager/src/main/java/com/zy/acs/manager/core/service/astart/AStarNavigateService.java

@@ -1,6 +1,7 @@
package com.zy.acs.manager.core.service.astart;

import com.zy.acs.common.constant.RedisConstant;
import com.zy.acs.common.utils.GsonUtils;
import com.zy.acs.common.utils.RedisSupport;
import com.zy.acs.framework.common.Cools;
import com.zy.acs.manager.common.utils.MapDataUtils;
@@ -8,20 +9,20 @@
import com.zy.acs.manager.core.service.LaneService;
import com.zy.acs.manager.core.service.astart.domain.DynamicNode;
import com.zy.acs.manager.core.utils.RouteGenerator;
import com.zy.acs.manager.manager.entity.Route;
import com.zy.acs.manager.manager.entity.Segment;
import com.zy.acs.manager.manager.service.CodeService;
import com.zy.acs.manager.manager.service.JamService;
import com.zy.acs.manager.manager.service.RouteService;
import com.zy.acs.manager.system.service.ConfigService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 * Created by vincent on 6/12/2024
 */
@Slf4j
@Service
public class AStarNavigateService {

@@ -31,10 +32,6 @@

    public static final int WEIGHT_CALC_FACTOR = 1;

    @Autowired
    private CodeService codeService;
    @Autowired
    private RouteService routeService;
    @Autowired
    private MapDataDispatcher mapDataDispatcher;
    @Autowired
@@ -58,15 +55,17 @@
        existNodes.add(start);

        int[][] mapMatrix = mapDataDispatcher.getMapMatrix(null, null);
        String[][] codeMatrix = mapDataDispatcher.getCodeMatrix(null);
        DynamicNode[][] dynamicMatrix = mapDataDispatcher.getDynamicMatrix(null);
        String[][] waveMatrix = mapDataDispatcher.getWaveMatrix(null);

        while (!openQueue.isEmpty()) {
            // 取优先队列顶部元素并且把这个元素从Open表中删除，取F值最小的节点
            NavigateNode currentNode = openQueue.poll();

            ArrayList<NavigateNode> neighbourNodes = this.getNeighborNodes(currentNode, mapMatrix, existNodes);
            List<NavigateNode> neighbourNodes = this.getNeighborNodes(currentNode, mapMatrix, existNodes);
            for (NavigateNode node : neighbourNodes) {
                node.setCodeData(codeMatrix[node.getX()][node.getY()]);

                boolean isEndNode = node.getX() == end.getX() && node.getY() == end.getY();

                int weight = 0;
@@ -122,30 +121,24 @@
                }

                // 单巷道车辆容载数量
                Lane lane = laneService.search(node.getCodeData());
                if (null != lane) {
                List<int[]> laneCodeIdxList = laneService.getLaneCodeIdxList(node.getCodeData());
                if (!Cools.isEmpty(laneCodeIdxList)) {
                    Set<String> lanVehicleSet = new HashSet<>();

                    List<String> laneCodes = lane.getCodes();
                    for (String laneCodeData : laneCodes) {
                        int[] laneCodeMatrixIdx = mapDataDispatcher.getCodeMatrixIdx(null, laneCodeData);
                        // scan dynamicMatrix or WaveMatrix
                        DynamicNode laneDynamicNode = dynamicMatrix[laneCodeMatrixIdx[0]][laneCodeMatrixIdx[1]];
                    for (int[] codeMatrixIdx : laneCodeIdxList) {
                        DynamicNode laneDynamicNode = dynamicMatrix[codeMatrixIdx[0]][codeMatrixIdx[1]];
                        String laneVehicle = laneDynamicNode.getVehicle();
                        assert !laneVehicle.equals(DynamicNodeType.BLOCK.val);
                        if (!laneVehicle.equals(DynamicNodeType.ACCESS.val)) {
                            if (!laneVehicle.equals(agvNo)) {
                                lanVehicleSet.add(laneVehicle);
//                                redis.setObject(RedisConstant.AGV_TO_STANDBY_FLAG, laneVehicle, true, 30);
                            }
                        }
                    }

                    if (lanVehicleSet.size() + 1 > maxAgvCountInLane) {
                        continue;
                    }
                }


                //找到目标结点就返回
                if (isEndNode) {
@@ -177,38 +170,29 @@
    }

    // 获取四周节点
    private ArrayList<NavigateNode> getNeighborNodes(NavigateNode currentNode, int[][] mapMatrix, Set<NavigateNode> existNodes) {
        //获取当前结点的x, y
    private List<NavigateNode> getNeighborNodes(NavigateNode currentNode, int[][] mapMatrix, Set<NavigateNode> existNodes) {
        int x = currentNode.getX();
        int y = currentNode.getY();
        //如果当前结点的邻结点合法，就加入到neighbour_node
        ArrayList<NavigateNode> neighbourNodes = new ArrayList<>();

        NavigateNode rightNode = extendNeighborNodes(currentNode, new NavigateNode(x, y + 1), mapMatrix, existNodes, null, null);
        if (is_valid(currentNode, rightNode)) {
            neighbourNodes.add(rightNode);
        }
        List<NavigateNode> neighbourNodes = new CopyOnWriteArrayList<>();

        NavigateNode leftNode = extendNeighborNodes(currentNode, new NavigateNode(x, y - 1), mapMatrix, existNodes, null, null);
        if (is_valid(currentNode, leftNode)) {
            neighbourNodes.add(leftNode);
        }
        List<NavigateNode> possibleNodes = Arrays.asList(
                new NavigateNode(x, y + 1), // right
                new NavigateNode(x, y - 1), // left
                new NavigateNode(x - 1, y), // up
                new NavigateNode(x + 1, y)  // down
        );

        NavigateNode topNode = extendNeighborNodes(currentNode, new NavigateNode(x - 1, y), mapMatrix, existNodes, null, null);
        if (is_valid(currentNode, topNode)) {
            neighbourNodes.add(topNode);
        }

        NavigateNode bottomNode = extendNeighborNodes(currentNode, new NavigateNode(x + 1, y), mapMatrix, existNodes, null, null);
        if (is_valid(currentNode, bottomNode)) {
            neighbourNodes.add(bottomNode);
        }
        possibleNodes.parallelStream()
                .map(extendNode -> extendNeighborNodes(currentNode, extendNode, mapMatrix, existNodes, null, null))
                .filter(Objects::nonNull)
                .forEach(neighbourNodes::add);

        return neighbourNodes;
    }

    private NavigateNode extendNeighborNodes(NavigateNode currentNode, NavigateNode extendNode, int[][] mapMatrix, Set<NavigateNode> existNodes, Integer dx, Integer dy) {
        NavigateNode nextNode = null;
        NavigateNode nextNode;

        if (null == dx || null == dy) {
            dx = extendNode.getX() - currentNode.getX();
@@ -229,64 +213,27 @@
        if (mapMatrix[x][y] == MapNodeType.DISABLE.val)  {

            return extendNeighborNodes(currentNode, nextNode, mapMatrix, existNodes, dx, dy);

        } else {

            if (existNodes.contains(nextNode)) {
                return null;
            }

            // 节点是否可用
            if (mapMatrix[x][y] != MapNodeType.ENABLE.val) {
                return null;
            }

            String[][] codeMatrix = mapDataDispatcher.getCodeMatrix(null);
            String currentNodeCodeData = codeMatrix[currentNode.getX()][currentNode.getY()];
            String nextNodeCodeData = codeMatrix[nextNode.getX()][nextNode.getY()];
            nextNode.setCodeData(nextNodeCodeData);

            // 判断通过性
            String routeKey = RouteGenerator.generateRouteKey(currentNodeCodeData, nextNodeCodeData);
            Object routeVal = redis.getMap(RedisConstant.AGV_MAP_ROUTE_HASH_FLAG, routeKey);
            if (routeVal == null || !(Boolean) routeVal) {
                return null;
            }

            return nextNode;
        }
    }

    private boolean is_valid(NavigateNode currentNode, NavigateNode node) {
        if (null == node) {
            return false;
        }
        return true;
    }
        assert mapMatrix[x][y] == MapNodeType.ENABLE.val;

    private boolean isExist(NavigateNode node, List<NavigateNode> existNodes) {
        for (NavigateNode existNode : existNodes) {
            if (this.isSame(node, existNode)) {
                return true;
            }
        if (existNodes.contains(nextNode)) {
            return null;
        }
        return false;
    }

    private boolean isSame(NavigateNode o1, NavigateNode o2) {
        if (Cools.isEmpty(o1, o2)) {
            return false;
        // 判断通过性
        String routeCdaKey = RouteGenerator.generateRouteCdaKey(new int[]{currentNode.getX(), currentNode.getY()}, new int[]{nextNode.getX(), nextNode.getY()});
        if (!mapDataDispatcher.validRouteCdaKey(routeCdaKey)) {
            return null;
        }
        return o1.getX() == o2.getX() && o1.getY() == o2.getY();

        return nextNode;
    }

    //------------------A*启发函数------------------//

    //计算通过现在的结点的位置和最终结点的位置计算H值(曼哈顿法：坐标分别取差值相加)
    private int calcNodeCost(NavigateNode node1, NavigateNode node2) {
//        Code code1 = codeService.selectByData(node1.getCodeData());
//        Code code2 = codeService.selectByData(node2.getCodeData());
//        return (int) (Math.abs(code2.getX() - code1.getX()) + Math.abs(code2.getY() - code1.getY()));
        return Math.abs(node2.getX() - node1.getX()) + Math.abs(node2.getY() - node1.getY());
    }